<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-START> JAN-01-1999 <PERIOD-END> SEP-30-1999 <CASH> 3,835 <SECURITIES> 0 <RECEIVABLES> 60,684 <ALLOWANCES> 0 <INVENTORY> 51,917 <CURRENT-ASSETS> 130,216 <PP&E> 361,134 <DEPRECIATION> 183,704 <TOTAL-ASSETS> 393,356 <CURRENT-LIABILITIES> 61,797 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 36,672 <OTHER-SE> 168,895 <TOTAL-LIABILITY-AND-EQUITY> 393,356 <SALES> 225,829 <TOTAL-REVENUES> 225,829 <CGS> 145,956 <TOTAL-COSTS> 209,935 <OTHER-EXPENSES> 992 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 3,703 <INCOME-PRETAX> 11,264 <INCOME-TAX> 4,066 <INCOME-CONTINUING> 7,086 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 7,086 <EPS-BASIC> .18 <EPS-DILUTED> .18